	US 11,724,251 B2
	Apparatus for coating a filter substrate
Kaneshalingham Arulraj, Royston (GB); Jenita Bhantoo, Royston (GB); Jamie Savage, Royston (GB); Andrew Smith, Royston (GB); Lifeng Wang, Sakura (JP); and Daisuke Yokota, Royston (GB)
Assigned to Johnson Matthev Public Limited Comoanv, London (GB)
Filed by Johnson Matthey Public Limited Company, London (GB)
Filed on Sep. 28, 2020, as Appl. No. 16/948,663.
Application 16/948,663 is a continuation of application No. 15/509,752, granted, now 10,814,318, previously published as PCT/GB2015/050858, filed on Mar. 24, 2015.
Claims priority of application No. 1405277 (GB), filed on Mar. 25, 2014.
Prior Publication US 2021/0008534 A1, Jan. 14, 2021
Int. Cl. B01J 37/02 (2006.01); B05D 7/22 (2006.01); B01D 46/24 (2006.01); B05D 3/04 (2006.01); B01J 35/04 (2006.01); F01N 3/035 (2006.01); F01N 3/20 (2006.01)

CPC B01J 37/0217 (2013.01) [B01D 46/2418 (2013.01); B01J 35/04 (2013.01); B01J 37/0215 (2013.01); B01J 37/0219 (2013.01); B05D 3/0493 (2013.01); B05D 7/22 (2013.01); F01N 3/035 (2013.01); F01N 3/208 (2013.01); F01N 3/2066 (2013.01); F01N 2510/06 (2013.01)]

10 Claims

1. An apparatus for coating a filter substrate with a liquid, which apparatus comprises:

(i) a containment means for receiving a pre-determined amount of the liquid; and

(ii) a liquid dosing head arranged to dispense the pre-determined amount of the liquid into the containment means over an upper end of the filter substrate;

wherein the containment means is locatable at an upper end of the filter substrate, and the liquid dosing head comprises a plurality of apertures for dispensing the liquid onto the upper end of the filter substrate; and

wherein the containment means comprises a template for covering an area or areas of the upper end face of the filter substrate.